Raj: In Avatar, when they have sex on pandora they hook up their ponytails, so we know that their ponytails are like their junk.
Wolowitz: Yeah, so?
Raj: So when they ride horses and fly on the birds, they also use their ponytails...
Wolowitz: What's your point?
Raj: My point is if I were a horse or a bird, I'd be very nervous around James Cameron.